html {
    font-size: calc((80vw - 320px) / 140 + 14px);
    scroll-behavior: smooth;
}

body {
    background: #fff;
    color: #15192b;
    font-family: "kaisei-opti", sans-serif;
    font-weight: 400;
    font-style: normal;
    letter-spacing: 1px;
    min-height: 100vh;
    -webkit-overflow-scrolling: touch;
    width: 100%;
 }

 img {
  border: none;
  height: auto;
  max-width: 100%;
  width /***/:auto;
}

.container {
  display: flex;
  margin: 0;
  padding: 0;
  width :100%;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  z-index: -1;
  }


.txtarea {
  background: rgba(229,229,229,0.8);
  background-size: 10px 10px,10px 10px,100% 100%;
  background-attachment: fixed;
  color: #313E55;
  order: 1;
  padding: 8rem 0 3rem 0;
  width: 50%;
}

.txtarea h2 {
  font-size: 3rem;
  font-weight: 400;
  letter-spacing: .5rem;;
  text-align: center;
}

.txtarea h2 .blue {
  color:#22428C;
}

.txtarea h2 .cross {
  color: #6C87A8;
  font-size: 70%;
}

.txtarea h3 {
  color: #22428C;
  font-weight: 400;
  font-size: 1.3rem;
  margin: 5rem 0 0 0;
  text-align: center;
}

.txtarea h3 a {
  transition: all .5s ease;
}

.txtarea h3 a:hover {
  opacity: 0.7;
}

.txtarea .explain {
  background :rgba(34,66,140,0.6);
  border-radius: 10px 0 0 25px;
  color: #fff;
  font-weight: 500;
  line-height: 2rem;
  margin: 5rem 0 5rem auto;
  padding :10px 0 10px 10px;
  width: 97%;
}

.txtarea .explain .border {
  border: 2px solid rgba(255,255,255,0.7);
  border-right: 0;
  border-radius: 10px 0 0 25px;
  padding :2rem 1rem 2rem 2rem;
}

.txtarea .staff ul {
  display: flex;            
  justify-content: space-between;
  margin: 1.5rem auto 1.5rem auto;
  text-align: left;
  width: 85%;
}

.txtarea .staff ul li {
  list-style-type: none;
}

.txtarea .staff ul li:nth-child(1) {
  color: #22428C;
  font-weight: 500;
  width: fit-content;
}

.txtarea .staff ul li:nth-child(2) {
  justify-content: flex-end;
  text-align: right;
  width: fit-content;
}

.txtarea .staff ul li:nth-child(2) .small {
  font-size: 90%;
}

.txtarea .staff a {
  transition: all .5s ease;
}

.txtarea .staff a:hover {
  color: #22428C;
  opacity: 0.7;
}

.txtarea .staff .sp {
  display: none;
}

.txtarea .illustrator ul {
  margin: 5rem 0 5rem 0;
}

.txtarea .illustrator ul li {
  align-items: center;
  aspect-ratio: 4/1;
  display: flex;
  height: fit-content;
  list-style-type: none;
  margin-top: 2rem;
  position: relative;
  transition: all .5s ease;
  width: 95%;
}

.txtarea .illustrator ul li a {
  display: block;
  min-height: 100%;
  padding: 2rem 0 2rem 0;
  text-decoration: none;
  width: 100%;
}

.txtarea .illustrator ul li:hover {
  opacity: 0.5;
}

.txtarea .illustrator ul li:nth-child(2n-1) h4 {
  background :rgba(34,66,140,0.6);
  border-radius: 0 0 30px 0;
  color: #fff;
  padding: 0.5rem 3rem 0.5rem 3rem;
  position: absolute;
  top: 0;
  width: fit-content;
}

.txtarea .illustrator ul li:nth-child(2n) h4 {
  background :rgba(34,66,140,0.6);
  border-radius: 30px 0 0 0;
  color: #fff;
  margin-left: auto;
  padding: 0.5rem 3rem 0.5rem 3rem;
  position: absolute;
  bottom: 0;
  right: 0;
  width: fit-content;
}

.txtarea .illustrator ul li:nth-child(1) {
  background: url(../img/illust_abara.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 0 10px 10px 0;
}

.txtarea .illustrator ul li:nth-child(2) {
  background: url(../img/illust_ichimoku.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 10px 0 0 10px;
  margin-left: auto;
}

.txtarea .illustrator ul li:nth-child(3) {
  background: url(../img/illust_shinomiya.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 0 10px 10px 0;
}

.txtarea .illustrator ul li:nth-child(4) {
  background: url(../img/illust_topia.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 10px 0 0 10px;
  margin-left: auto;
}

.txtarea .illustrator ul li:nth-child(5) {
  background: url(../img/illust_kanna.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 0 10px 10px 0;
}

.txtarea .illustrator ul li:nth-child(6) {
  background: url(../img/illust_matanonki.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 10px 0 0 10px;
  margin-left: auto;
}

.txtarea .illustrator ul li:nth-child(7) {
  background: url(../img/illust_myusha.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 0 10px 10px 0;
}

.txtarea .illustrator ul li:nth-child(8) {
  background: url(../img/illust_wagashi.webp) no-repeat center center;
  background-size: 100% auto;
  border-radius: 10px 0 0 10px;
  margin-left: auto;
}

.txtarea .share {
  text-align: center;
}
.txtarea .share ul {
  align-items: center;
  display: flex;
  justify-content: center;
  margin: 1rem 0 2rem 0;
}

.txtarea .share ul li {
  list-style-type: none;
  margin: 0 0.5rem 0 0.5rem;
}

.txtarea .share ul li a img {
  max-width: 64px;
  transition: all .5s ease;
}

.txtarea .share ul li a img:hover {
  opacity: 0.7;
}

.txtarea .copyright {
  margin: 0 0 6rem 0;
  text-align: center;
}

.imagearea {
  align-items: stretch;
  order: 2;
  position: relative;
  width: 35%;
  z-index: 1;
}

.imagearea div {
  background: url(../img/illust.webp) no-repeat center center;
  background-size: cover;
  min-height: 100%;
  position: fixed;
  width: 35%;
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  will-change: transform;
}

.imagearea div ul {
  display: none;
}

.logoarea {
  animation: loading 1s ease-in-out 1.5s forwards;
  align-items: center;
  background: rgba(229,229,229,1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  order: 3;
  position: fixed;
  right: 0;
  z-index: 999;
  width: 100%;
  will-change: transform;
}

@keyframes loading {
   0% {width: 100%; }
  100% { width :15% }
}

.logo_title_pc img {
  animation: logo 1.5s ease-in-out 0s forwards;
  margin: 0 auto;
  display: block;
  height: auto;
  opacity: 0;
  padding-top: 50px;
  transform: rotate(-90deg);
  width: 25%;
}

@keyframes logo {
   0% { opacity: 0; }
   50% { opacity: 1; transform: rotate(-90deg); }
  100% { opacity: 1; transform: rotate(0deg); }
}

.logo_title_sp {
  display: none;
}

.logo_circle_pc {
  margin: 2rem 10px 10px 10px;
}

.logo_circle_pc img {
  animation: logo_circle 0.75s ease-in-out 0s forwards;
  margin: 0 auto;
  max-width: 75%;
  opacity: 0;
}

.logo_circle_pc img,
.logo_circle_sp img {
  transition: all .5s ease;
}

.logo_circle_pc img:hover,
.logo_circle_sp img:hover {
  transform: scale(1.1);
}

@keyframes logo_circle {
   0% { opacity: 0; }
  100% { opacity: 1;}
}

.logo_circle_sp {
  display: none;
}

@media screen and (max-width: 1024px) {

  #bg-canvas {
    opacity: 0.1;
    height: 100svh;
    position: absolute;
  }

  .container {
    flex-direction: column;
    min-height: auto;
  }

  .txtarea {
    background: rgba(229,229,229,0.9);
    order: 2;
    padding: 8rem 0 5rem 0;
    position: relative;
    z-index: 2;
    width: 100%;
  }

  .txtarea .explain {
    border-radius: 10px 10px 15px 15px;
    margin: 5rem auto 5rem auto;
    padding :10px;
    width: 95%;
}

  .txtarea .explain .border {
    border-radius: 10px 10px 15px 15px;
    border: 2px solid rgba(255,255,255,0.9);
    margin: 10px;
    padding: 2rem;
  }

  .imagearea {
    align-items: baseline;
    height: 100svh;
    order: 1;
    transition: all .5s ease-in-out;
    width: 100%;
  }

  .imagearea div {
    background-size: fit-content auto;
    object-fit: cover;
    width: 100%;
  }

  .imagearea div ul {
    align-items: center;
    color: #fff;
    font-weight: 400;
    text-shadow: 1px 1px 2px #15192b;
    display: flex;
    flex-direction: column;
    padding: 10px;
  }

  .imagearea div ul a {
    text-decoration: none;
  }

  .imagearea div ul li:nth-child(1) {
    margin-bottom: 5px;
  }

  .imagearea div ul li:nth-child(2) {
    animation: tri1 1s linear 0s infinite alternate;
  }

  .imagearea div ul li:nth-child(3) {
    animation: tri1 1s linear .2s infinite alternate;
  }

  .imagearea div ul li:nth-child(4) {
    animation: tri1 1s linear .4s infinite alternate;
  }

  @keyframes tri1 {
    0% { opacity: 0;}
    100% { opacity: 1;}
  }

  .logoarea {
    animation: loading 1.5s ease-in-out 1.5s forwards;
    bottom: 0;
    padding: 1rem;
    min-height: 0%;
    height: 100%;
    width: 100%;
  }

  @keyframes loading {
   0% { height: 100%; opacity: 1;}
   60% { height: 10%; opacity: 0;}
   80% { height: fit-content; opacity: 0;}
  100% { height: fit-content; opacity: 1;}
}

  .logo_title_pc {
    display: none;
  }

  .logo_title_sp {
    display: block;
  }

  .logo_title_sp img {
    animation: logo_s 1.5s ease-in-out 0s forwards;
    max-width: 70%;
    margin: 0 auto;
  }

  .logo_circle_pc {
    display: none;
  }

  .logo_circle_sp {
    display: block;
    margin: 20px 0 0 0;
  }

  .logo_circle_sp img {
    animation: logo_s 1.5s ease-in-out 0s forwards;
    max-width: 35%;
    margin: 0 auto;
  }

  @keyframes logo_s {
   0% { opacity: 0; }
  100% { opacity: 1;}
}
}

@media screen and (max-width: 640px) {

.txtarea .staff .sp {
  display: block;
}

}